b.a.b. Share definition Flag A b.a.b. is an acronym for a broke ass bitch. A broke ass bitch is a bitch who's broke as fuck. "Alexus, why you such a b.a.b." b.a.b. by juul_mp4 October 10, 2019 0 0 Get merch Get the b.a.b. mug. Buy Now — $32.95 See more merch